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NdPO4 · H2O
Brown, pinkish, ...
From the Greek, rhabdos, a rod, plus phainesthai, to appear, in allusion to the bands characteristically exhibited in its spectrum, plus the suffix "-(Nd)" indicating the dominance of Nd over other REE in this species.

Classification of Rhabdophane-(Nd)

Approved, 'Grandfathered' (first described prior to 1959)

C : Phosphates without additional anions, with H2O
J : With only large cations

19 : Phosphates
9 : Phosphates of rare earths and Sc

Physical Properties of Rhabdophane-(Nd)

Brown, pinkish, yellowish-white, colourless
Hardness (Mohs):

Chemical Properties of Rhabdophane-(Nd)

IMA Formula:
NdPO4 · H2O
Elements listed in formula:

Crystallography of Rhabdophane-(Nd)

Crystal System:

Type Occurrence of Rhabdophane-(Nd)

Relationship of Rhabdophane-(Nd) to other Species

Other Members of Group:
Brockite(Ca,Th,Ce)PO4 · H2O
Rhabdophane-(Ce)(Ce,La)(PO4) · H2O
Rhabdophane-(La)(La,Ce)(PO4) · H2O
Tristramite(Ca,U,Fe)(PO4,SO4) · 2H2O
8.CJ.05Stercorite(NH4)Na(PO3OH) · 4H2O
8.CJ.10Mundrabillaite(NH4)2Ca(PO3OH)2 · H2O
8.CJ.10Swaknoite(NH4)2Ca(PO3OH)2 · H2O
8.CJ.15NabaphiteNaBaPO4 · 9H2O
8.CJ.15NastrophiteNaSrPO4 · 9H2O
8.CJ.20HaidingeriteCa(AsO3OH) · H2O
8.CJ.25VladimiriteCa4(AsO4)2(AsO3OH) · 4H2O
8.CJ.30FerrarisiteCa5(AsO3OH)2(AsO4)2 · 9H2O
8.CJ.35MachatschkiiteCa6(AsO4)(AsO3OH)3PO4 · 15H2O
8.CJ.40PhaunouxiteCa3(AsO4)2 · 11H2O
8.CJ.40RauenthaliteCa3(AsO4)2 · 10H2O
8.CJ.45Brockite(Ca,Th,Ce)PO4 · H2O
8.CJ.45Grayite(Th,Pb,Ca)PO4 · H2O
8.CJ.45Rhabdophane-(Ce)CePO4 · H2O
8.CJ.45Rhabdophane-(La)LaPO4 · H2O
8.CJ.45Tristramite(Ca,U4+,Fe3+)(PO4,SO4) · 2H2O
8.CJ.45Smirnovskite(Th,Ca)PO4 · nH2O
8.CJ.50ArdealiteCa2(PO3OH)(SO4) · 4H2O
8.CJ.50BrushiteCa(PO3OH) · 2H2O
8.CJ.50Churchite-(Y)YPO4 · 2H2O
8.CJ.50PharmacoliteCa(AsO3OH) · 2H2O
8.CJ.50Churchite-(Nd)Nd(PO4) · 2H2O
8.CJ.55McneariteNaCa5(AsO4)(AsO3OH)4 · 4H2O
8.CJ.60DorfmaniteNa2(PO3OH) · 2H2O
8.CJ.65SincositeCa(V4+O)2(PO4)2 · 4H2O
8.CJ.65BariosincositeBa(VO)2(PO4)2 · 4H2O
8.CJ.70CatalanoiteNa2HPO4 · 8H2O
8.CJ.75GuériniteCa5(AsO3OH)2(AsO4)2 · 9H2O
8.CJ.85Ningyoite(U,Ca,Ce)2(PO4)2 · 1-2H2O
19.9.2Churchite-(Y)YPO4 · 2H2O
19.9.6Rhabdophane-(Ce)CePO4 · H2O
19.9.7Rhabdophane-(La)LaPO4 · H2O
19.9.13KolbeckiteScPO4 · 2H2O

Other Names for Rhabdophane-(Nd)

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Rhabdophane-(Nd)

Reference List:
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 774 (as Scovillite).

Hildebrand, F.A., M.H. Carron, and H.J. Rose, Jr. (1957) Re-examination of rhabdophane (scovillite) from Salisbury, Connecticut. Geological Society of America Bull.: 68: 1744–1745 (abstract).

Muto, T., R. Meyrowitz, A.M. Pommer, and T. Murano (1959) Ningyoite, a new uranous phosphate mineral from Japan. American Mineraleralogist: 44: 633–650.

Bowles, J.F.W. and D.J. Morgan (1984) The composition of rhabdophane. Mineralogical Magazine: 48: 146–148.

American Mineralogist (1985): 70: 440.

Internet Links for Rhabdophane-(Nd) URL:
Please feel free to link to this page.

Localities for Rhabdophane-(Nd)

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
  • Huambo Province
    • Bailundo City Council
Beleque, A. R. C. (2010). Minerais de ETR no complexo carbonatítico de Bailundo (Mungo, Angola): ocorrência, composição e significado económico.
Czech Republic
  • Bohemia (Böhmen; Boehmen)
    • Liberec Region
Scharm, B.: Přehled minerálů nalezených v oblasti uranových koncentrací v severočeské křídě. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1995, roč. 3, s. 169-172.
  • Baden-Württemberg
    • Black Forest
      • Gengenbach
        • Haigerach valley
Wittern,A. (1995) Mineralien finden im Schwarzwald
      • Wolfach
        • Oberwolfach
          • Rankach valley
Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German); KOLITSCH, U. (1997): Ianthinit und weitere Neufunde aus der Grube Clara im mittleren Schwarzwald. - Erzgräber 11 (2), 76-88.
  • Bavaria
    • Franconia
      • Spessart
        • Waldaschaff
Lorenz, J., Schmitt, R., Hahn, W. (2007): Rhabdophan und Cuprobismutit von der Barytgrube "Pauline" in Waldaschaff im Spessart, Der Aufschluss, Vol. 58, 41-54
  • Saxony
    • Erzgebirge
      • Schneeberg District
        • Rödergasse
Belendorff, K. (2009): Dreyerit und Rhabdophan-(Nd) aus Schneeberg, Erzgebirge. Mineralien-Welt 20 (3), 27-29
  • Liguria
    • Savona Province
      • Maremola Valley
        • Magliolo
Bracco, R., Balestra, C., Castellaro, F., Mills, S.J., Ma, C., Callegari, A.M., Boiocchi, M., Bersani, D., Cadoni, M., Ciriotti, M.E. (2012): Nuovi minerali di terre rare da Costa Balzi Rossi, Magliolo (SV), Liguria. Micro. 2/2012. 66-77.
  • Kyushu Region
    • Saga Prefecture
Takai, Y. and Uehara, S. (2012) Rhabdophane-(Y), YPO4·H2O, a new mineral in alkali olivine basalt from Hinodematsu, Genkai-cho, Saga Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 107, 110-113.
  • Shikoku Island
    • Ehime Prefecture
      • Houjou City
Minakawa (1988) Sato Shinji Kyoju Taikan Kinen Ronbunshu, 101-105.
  • Antsiranana Province
    • Diana Region (Northern Region)
      • Ambanja District
        • Ampasindava Peninsula
          • Betaimboay
            • Unnamed caldera
Wolfgang Hampel (2011), fieldwork/studies
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
  • England
Specimens in the Natural History Museum, London (Ludlam Collection)
      • St Austell District
        • Tywardreath
Mineralogical Magazine 48, 146-148(1984); Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
  • Connecticut
    • Litchfield Co.
      • Salisbury
        • Salisbury District
Brush, George J. and Samuel L. Penfield. (1883), Scovillite: A New Phosphate of Didymium, Yttrium and other Rare Earths, From Salisbury, Connecticut. American Journal of Science: 25: 459.
  • Wisconsin
    • Marathon Co.
      • Wausau Intrusive Complex
Hanson, S.L., et al (1999) Rocks and Minerals, 74, 184
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